Just saying, I have four friends, 2 of which have a Zen V 1GB the other two, have the 4GB version.

Over the course of their use, most of them have been purchased in the last three months or so, their screens have slowly deteriorated and have eventually died all together, this has not been experienced on the 4GB.

I'm not sure but it seems to be a design fault only experienced in the 1GB models, so, if you are wanting a ZEN V, get something different form the 1GB's.